[meta] use npmignore to autogenerate an npmignore file

Author: ljharb

.gitignore

@@ -20,3 +20,5 @@ node_modules
 npm-shrinkwrap.json
 package-lock.json
 yarn.lock
+
+.npmignore

package.json

@@ -29,10 +29,12 @@
  "@ljharb/eslint-config": "^21.0.0",
  "covert": "^1.1.1",
  "eslint": "=8.8.0",
+ "npmignore": "^0.3.0",
  "tape": "^5.5.3"
  },
  "license": "MIT",
  "scripts": {
+ "prepack": "npmignore --auto --commentLines=autogenerated",
  "pretest": "npm run lint",
  "test": "npm run tests-only",
  "posttest": "npm run coverage -- --quiet",
@@ -58,5 +60,10 @@
  "iphone/6.0..latest",
  "android-browser/4.2..latest"
  ]
+ },
+ "publishConfig": {
+ "ignore": [
+ ".github/workflows"
+ ]
  }
 }